From: Eric Dumazet <[email protected]> After commit 8f2817701492 ("rseq: Use get_user/put_user rather than __get_user/__put_user") we no longer need an access_ok() call from __rseq_handle_notify_resume()
Signed-off-by: Eric Dumazet <[email protected]> Cc: Mathieu Desnoyers <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: "Paul E. McKenney" <[email protected]> Cc: Boqun Feng <[email protected]> Cc: Arjun Roy <[email protected]> Cc: Ingo Molnar <[email protected]> --- kernel/rseq.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/rseq.c b/kernel/rseq.c index d2689ccbb132c0fc8ec0924008771e5ee1ca855e..57344f9abb43905c7dd2b6081205ff508d963e1e 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -273,8 +273,6 @@ void __rseq_handle_notify_resume(struct ksignal *ksig, struct pt_regs *regs) if (unlikely(t->flags & PF_EXITING)) return; - if (unlikely(!access_ok(t->rseq, sizeof(*t->rseq)))) - goto error; ret = rseq_ip_fixup(regs); if (unlikely(ret < 0)) goto error; -- 2.31.1.295.g9ea45b61b8-goog
